AOLS

Upgrade your Airsoft AEG with the AOLS Upgrade Spring M190 Enhanced. Made of high-strength spring material, this black spring is designed for standard AEG gearboxes and provides a velocity of 580-610fps with 0.20g BBs or 970m/s. It is highly recommended to use metal bushings and a metal spring guide for optimal performance. Weighing 39g, this spring is a must-have for serious airsoft players.Material: High-strength spring materialVelocity: 580-610fps with 0.20g BBs or 970m/sRecommendation: Use with metal bushings and a metal spring guide